E98 King’s Indian Defense: Orthodox Variation, Classical System
E98 holds three named lines, all under the name King’s Indian Defense. It leaves E97 (King’s Indian Defense: Orthodox Variation, Aronin-Taimanov Defense) with 8.d5 Ne7 9.Ne1. Its deepest line, King’s Indian Defense: Orthodox Variation, Classical System, Kozul Gambit, runs to 14.c5, the longest of the 39 King’s Indian Defense codes. Both kings have castled by the end of the reference line, White on move 7 and Black on move 5.
| # | White | Black |
|---|---|---|
| 1 | d4 | Nf6 |
| 2 | c4 | g6 |
| 3 | Nc3 | Bg7 |
| 4 | e4 | d6 |
| 5 | Nf3 | O-O |
| 6 | Be2 | e5 |
| 7 | O-O | Nc6 |
| 8 | d5 | Ne7 |
| 9 | Ne1 |
The move that completes E98
The reference line of E99 plays all of these moves and continues beyond them; E98 is the position reached at 9.Ne1.
- 9.Ne1 The knight goes from f3 to e1, opening a line for the bishop on e2.
Lines filed under E98
All three share their first 17 plies, the whole reference line.
| Name | After the shared start | Plies | At the end |
|---|---|---|---|
| King’s Indian Defense: Orthodox Variation, Classical System | (the shared start itself) | 17 | both castled |
| King’s Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | 9...Nd7 10.Be3 | 19 | both castled |
| King’s Indian Defense: Orthodox Variation, Classical System, Kozul Gambit | 9...Nd7 10.Be3 f5 11.f3 f4 12.Bf2 g5 13.Rc1 Ng6 14.c5 | 27 | both castled |
King’s Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line
- 9...Nd7 The knight goes from f6 to d7, opening a line for the bishop on g7.
- 10.Be3 The bishop leaves c1 for e3, opening a line for the rook on a1 and the queen on d1.
King’s Indian Defense: Orthodox Variation, Classical System, Kozul Gambit
- 9...Nd7 The knight goes from f6 to d7, opening a line for the bishop on g7.
- 10.Be3 The bishop leaves c1 for e3, opening a line for the rook on a1 and the queen on d1.
- 10...f5 The f-pawn advances two squares to f5, covering e4 and g4, opening a line for the rook on f8.
- 11.f3 The f-pawn advances to f3, covering e4 and g4, opening a line for the rook on f1 and the bishop on e3.
- 11...f4 The f-pawn advances to f4, covering e3 and g3, opening a line for the rook on f8, attacking the bishop on e3.
The road to E98
The position after 9.Ne1
White has brought out the knight on c3, knight on e1 and bishop on e2; Black the knight on e7, knight on f6 and bishop on g7. Black could capture with Nexd5, Nfxd5, Nxe4. Black is to move and has 30 legal moves.
Codes that branch off from E98
The reference lines of one other code leave E98 from the position after 9.Ne1, each with its own moves.
| Code | Moves | Reference line |
|---|---|---|
| E99 | 9...Nd7 10.f3 f5 | King’s Indian Defense: Orthodox Variation, Classical System, Traditional Line |
Closest boards in other codes
| Code | Line | Differs on |
|---|---|---|
| E94 | King’s Indian Defense: Orthodox Variation | six squares: e1, f3, d4, d5, e7, b8 |
| E93 | King’s Indian Defense: Petrosian Variation, Normal Defense | seven squares: e1, f1, g1, h1, f3, d7, e7 |
| E95 | King’s Indian Defense: Orthodox Variation | seven squares: e1, f1, f3, d4, d5, d7, e7 |
| A73 | Benoni Defense: Classical Variation, Main Line | eight squares: e1, f3, c4, c5, e5, c7, e7, b8 |
| E68 | King’s Indian Defense: Fianchetto Variation, Classical Variation | nine squares: e1, e2, g2, f3, g3, d4, d5, d7 … |
| E92 | King’s Indian Defense: Orthodox Variation | nine squares: e1, f1, g1, h1, f3, d4, d5, e7 … |
| A76 | Benoni Defense: Classical Variation, Czerniak Defense | ten squares: e1, f3, c4, c5, e5, c7, e7, b8 … |
Where lines continue from here
Two named lines filed under other codes pass through the position after 9.Ne1. All of them belong to the codes listed above.